Dynamic Exciter PROTOTYPE DAB390RA Attaches to solid object and vibrates it to make sound. Excites multiple oscillation modes for wide directivity. Easily becomes watertight as it needs no opening as sound outlet. Rigid structure for robust circuitry. Light and compact, yet gives high output. Specifications Characteristics Sound Pressure ( *) Minimum Resonant Frequency ( ) * Rated Input Operating Temperature Storage Temperature Dimensions Weight ( )Sound pressure changes depending on the mount surface. ( ) Measured with 1W input, microphone at 10cm distance, Open air on rear side. Attached to acrylic panel (PMMA) 10cm(H)x20cm(W)x2mm(D) * * Appearance and Dimensions φ39 100 8 95 90 6 85 80 4 THD [%] Model Name Impedance 10 105 SPL [dB] Description DAB390RA 8 ±1.2Ω Typ. 98dB at 500Hz Typ. 92dB at 1kHz Typ. 89dB at 2kHz Typ. 91dB at 5kHz 570Hz 1W -20 ~ +70 °C -40 ~ +85 °C φ39 - h11.5mm 25g 110 75 2 70 65 60 0 100 1,000 10,000 100,000 Frequency [Hz] Application Examples 11.5 -Automobiles, Motorcycles EV proximity announcement, Voice guidance, Alarms, Music -Marine Motor Sports Voice guidance, Alarms, Music -Store Displays BGM, Product information -Signs, Display Screens Voice guidance, Product information, BGM -Desks, Tables, Walls, Whiteboards Presentation audio, Conference calls, Video conferences Attach on this side -Kitchen, Bath Music, TV audio This is a product under development. It may or may not be commercially available with the above specifications. Appearance and specification are subject to change without notice. The data shown here are typical values obtained in Star Micronics’ laboratory tests, and provided here for general information purposes only. Star Micronics disclaims any warranties, expressed or implied, as to this information and assumes no obligation or liability therefore. Please refer to our official specification documents. Customization may be available to suit particular application needs. For more information, inquire here. R&D Center e-mail: [email protected] 2012.09